package com.hou.houlymall.order.config;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

/**
 * @author H
 * @create 2021-08-21 11:22
 */
@Configuration
public class HoulyFeignConfig {
    @Bean
    public RequestInterceptor requestInterceptor(){
        return new RequestInterceptor(){
            @Override
            public void apply(RequestTemplate requestTemplate) {
                //1、RequestContextHolder拿到刚进来的这个请求
                ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
                if (attributes!= null){
                    System.out.println("requestInterceptor线程。。。"+Thread.currentThread().getId());
                    HttpServletRequest request = attributes.getRequest();//老请求
                    if (request != null){
                        //同步请求头数据。Cookie    给新请求同步了老请求的cookie
                        requestTemplate.header("Cookie",request.getHeader("Cookie"));
                    }
                }
            }
        };
    }
}
